Question about 2003 Aprilia RSV Mille R

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Bike air screws

Fitted my Gabro chip

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Checked trim pots are at 12 o'clock (little blue screws on ECU) and set the air bleed screws to 1.5 front and 3/4 rear (big brass screws on throttle body) as per a previous thread on gabro chips. Bike seem to run fine but can anyone explain why the air bleeds are set differently front-rear and not the same?. Please forgive my ignorance just need to know for peace of mind that i am not damaging things. thanks I think you'll find that its to do with the uneven firing interval the V60 engines produce setting them the same produces a crap idle. If you're doing it by the old school of ear then go with whats giving the best results to you I'm sure you'll be acceptably close so you're not damaging things. The best way is make sure things like manifold pressures between the cylinders are synchronised using mercury tube gauges or similar. Do a search and you'll find much has been written on this subject, noteably posts by the likes of Maestro kzmille, even Gabro himself and others have covered this ground many times over put it is faster words, if you dont know how to do it, spend 150 bucks and have a shop do it, its worth every dollar... i had Factory pro do it when i bought my chip up there, made a WORLD of difference, i set it up and thought it ran **** , but after i got it back, they added 6 HP and 8 lbs of torque, and it sounded better... so thats my 2 old dirty pennies.. ,,,

Posted on Nov 10, 2008

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